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3M-Matic 800rf Case Sealer Troubleshooting
Copyright 1999, 3M IPC. All rights reserved. 6-3
Problem Cause Correction
Blade does not cut tape or tape end Adhesive has built up on blade. Clean blade.
is jagged or shredded. (continued)
Cutoff force is not sufficient. Install an additional cutoff spring.
Cutoff blade is dry. Lubricate blade oiler pad on blade
guard.
Blade is not positioned properly. See blade replacement procedure in
the related taping head technical
manual.
Top tape not cutting. Upper head assembly is not coming Adjust Case Top Sensitivity
down in contact with top of box. (refer to Section 3).
Adjust Counter-Balance Pressure
Regulator (refer to Section 3).
Blade is installed backwards. Mount blade so its beveled edge is
in contact with felt oiler pad
mounted inside the blade guard.
Cutter spring(s) missing or Replace cutter spring(s).
stretched.
Bearing side inner surface of one- Make sure that one-way bearing is
way tension roller is not fully below surface of tension roller. If
contacting the taping head frame. not, press bearing in farther or
replace roller.
Tape is tabbing on trailing leg on Excess tension on tape drum Adjust tape drum assembly and/or
back of case. assembly and/or one-way tension one-way tension roller.
roller.
Rollers in tape path do not rotate Clean deposits from surface, ends,
freely. and shafts of rollers. Use 3M
Natural Cleaner, # 62-4668-2730-0.
Then use 3M 5-Way Spray
Lubricant, # 62-4696-2730-1,
on shafts.
Blade is not cutting tape properly. See tape cut problems in preceding
panels.
Tape is threaded incorrectly. Rethread tape.